package com.lx.gulimall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.lx.common.to.es.SkuEsModel;
import com.lx.gulimall.search.config.GulimallElasticSearchConfig;
import com.lx.gulimall.search.constant.EsConstant;
import com.lx.gulimall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author lixun Email:lx3027@126.com
 * @create 2021-07-16 16:35
 */
@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    RestHighLevelClient restHighLevelClient;

    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        // 保存到es中
        // 1.给es中建立索引。product，建立映射关系
        BulkRequest bulkRequest = new BulkRequest();
        // 2.给es中保存这些数据
        // BulkRequest bulkRequest, RequestOptions options
        for (SkuEsModel model : skuEsModels) {
            // 1.构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);

            indexRequest.id(model.getSkuId().toString());
            String s = JSON.toJSONString(model);

            indexRequest.source(s, XContentType.JSON);

            bulkRequest.add(indexRequest);
        }
        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, GulimallElasticSearchConfig.COMMON_OPTIONS);
        // 有失败？ 失败为true 成功为false
        // todo 1、如果批量错误
        boolean b = bulk.hasFailures();

        if(b){
            List<String> collect = Arrays.stream(bulk.getItems()).map(item -> {
                return item.getId();
            }).collect(Collectors.toList());
            log.error("商品上架错误：{},错误原因：{}",collect,bulk.buildFailureMessage());
        }
        return b;
    }
}
